IBM buying Netezza for about $1.7 billion

IBM Corp. said Monday it has agreed to pay $1.7 billion for Netezza Corp., a company that helps businesses sort through data on corporate servers.The deal would help IBM expand in an area known as “analytics,” where the company sees a major source of growth over the next few years. IBM expects to grow annual revenue from analytics services, software and hardware sales to $16 billion by 2015, up from $9 billion last year. It estimates the total annual market now amounts to roughly $100 billion.IBM has been pushing into the analytics business through acquisitions. The company says it has spent $12 billion on 23 separate analytics companies over the past four years. Its biggest takeover in 2009 was a $1.2 billion deal for SPSS Inc., a company that makes analytics software for predicting future trends.